The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

The stealthy startup plans to use a network of satellites to harvest sunlight and send it to Earth using infrared lasers.

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

The Sun exhibited unpredictable behavior with two strong solar flares in late November and early December 2025. These events, ...

Images captured by NASA's Parker Solar Probe as the spacecraft made its record-breaking closest approach to the sun in ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

Private space companies are testing new ways to provide continuous power to enable permanent human habitats on the moon.

Overview Energy has proven its solar power beaming satellite system works in motion, which it claims is a world first for high-power wireless energy transmission. The company is targeting megawatt ...

Voyager 1 and Voyager 2 were launched in 1977 on missions expected to last only five years. Nearly four decades later, both ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...